romney hunkered down in washington on final debate preparation andpresidentobamaonthe campaign trail in the swing state of nevada. for now, the strong sense of optimism from team romney. vice-presidential nominee, congressman paul ryan in an interesting brushed aside polls showing president obama leading in several key state telling anchor chris wallace, governor romney will win come november. and one of his most outspoken supporters, new jersey governor chris christie, also making a bold prediction that governor romney will do very well and his performance could change the whole race. here is governor christy from earlier today. >> he's going to come in wednesday night and have his vision for america and he's to contrast what his view is and the president's record is and the president's view for the future and the race will be turned upside down thursday morning. >> harris: we'll kick off our coverage with campaign carl cameron. and republicans are trying to draw a distinction betweening mr. obama and the republicans leading up to wednesday night. >> they have and mitt romney has be